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Finding the Fourth Proportional to 24.11, 36.15 and 22.91

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Solution

The fourth proportional to 24.11, 36.15 and 22.91 is: 34.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.11 : 36.15 = 22.91 : x
  2. Step 2: Convert to fraction form
    24.11/36.15 = 22.91/x
  3. Step 3: Cross multiply
    24.11x = 36.15 × 22.91
  4. Step 4: Simplify right side
    24.11x = 828.20
  5. Step 5: Solve for x
    x = 828.20/24.11
  6. Step 6: Final answer
    x = 34.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.